#exchange {
    position: relative;
    padding: 60px 15px 0 15px;
}

.nullData {
    width: 100%;
    height: 100%;
    color: #cacaca;
    font-size: 25px;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
}

.select {
    text-align: center;
    padding: 6px;
    margin-bottom: 15px;
    background-color: white;
    border-radius: 30px;
    color: #50AEF6;
    font-size: 14px;
    border: 2px solid #50AEF6;
}

.select.select-text {
    margin-left: 5px;
}

.banner {
    width: 100%;
    height: 150px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0px 0px 2px 1px rgba(138, 138, 138, 0.2);
}

.b-img {
    width: 100%;
    height: 100%;
}

.banners {
    margin: 15px 0;
    display: flex;
    justify-content: space-between;
}

.banner-img {
    height: 70px;
    width: 164px;
    border-top-right-radius: 26px;
    border-bottom-left-radius: 26px;
}

.scroll-X {
    white-space: nowrap;
    width: 100%;
}

.X-item {
    display: inline-block;
    font-size: 14px;
    color: #505050;
    padding: 0 10px 5px;

}

.isselect {
    color: #50AEF6;
    font-size: 16px;
    font-weight: bold;
    border-bottom: #50AEF6 solid 2px;
}

.border-aa {
    margin: 0 auto;
    width: 100%;
    height: 1px;
    background-color: #cacaca;
}

.tabs-item {
    padding-top: 8px;
    height: calc(100vh - 431px);
}

.tabs-head {
    display: flex;
    padding-bottom: 5px;
}

.btn {
    width: 45px;
    font-size: 14px;
    margin-right: 10px;
    color: #505050;
    padding: 2px 6px;
    text-align: center;
    border-radius: 30px;
    display: flex;
    justify-content: center;
}

.box-icon {
    margin: 2px 0 0 7px;
}

.up {
    width: 0px;
    /*设置宽高为0，所以div的内容为空，从才能形成三角形尖角*/
    height: 0px;
    border-bottom: 6px solid #a3a5b3;
    border-left: 4px solid transparent;
    /*transparent 表示透明*/
    border-right: 4px solid transparent;
    margin-bottom: 4px;
}

.down {
    width: 0px;
    height: 0px;
    border-top: 6px solid #a3a5b3;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
}

.active1 {
    border-bottom: 6px solid #50AEF6;
}

.active2 {
    border-top: 6px solid #50AEF6;
}

.active {
    color: #50AEF6;
    border: 1px solid #50AEF6;
}

.tabs-conter {
    height: 91%;
    overflow-y: scroll;
}

.box-item {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.item-box {
    margin-bottom: 12px;
    width: 45%;
    padding: 5px;
    border-radius: 8px;
    background-color: white;
    position: relative;
    box-shadow: 0px 0px 10px 1px rgba(161, 161, 161, 0.2);
}

.item-img {
    border-radius: 8px;
    border: 1px solid #F4F4F4;
    padding: 14px;
}

.item-img image {
    width: 100%;
    height: 122px;
    border-radius: 8px;
}

.item-title {
    box-sizing: border-box;
    padding: 5px 8px 0 8px;
    display: flex;
    flex-direction: column;
}

.text-1 {
    font-size: 14px;
}

.text-2 {
    color: red;
    font-size: 13px;
}

.sumber {
    margin-top: 10px;
    padding: 0 8px;
    font-size: 12px;
}

.add-img {
    width: 25px;
    height: 525px;
    border-radius: 50%;
    position: absolute;
    right: 15px;
    bottom: 15px;
}

.shop {
    position: fixed;
    right: 10px;
    bottom: 150px;
}

.shop-img {
    width: 70px;
    height: 70px;
}